.cbl {
    height: 900px;
    background-color: #6d9178;
    position: relative;
}

.cbl::before {
    content: " ";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: url('../img/article-bg1.jpg');
    background-size: cover;
    opacity: 0.7;
}

.content {
    position: relative;
    z-index: 1;
    padding: 5px;
    left: 20px;
}